CN209562566U - A kind of emergency broadcase system - Google Patents
A kind of emergency broadcase system Download PDFInfo
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- CN209562566U CN209562566U CN201920836797.7U CN201920836797U CN209562566U CN 209562566 U CN209562566 U CN 209562566U CN 201920836797 U CN201920836797 U CN 201920836797U CN 209562566 U CN209562566 U CN 209562566U
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- data network
- emergent broadcast
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Abstract
A kind of emergency broadcase system, it is characterized by comprising emergent broadcast information servers, device management server, data network, and several emergent broadcast adapters of target area, business datum logical channel and management mathematical logic channel are set in the data network, the emergent broadcast information server communicates to connect in such a way that the emergent broadcast adapter of the business datum logical channel of data network and target area pushes away multicast by multicast or by force, the device management server is communicated to connect in a manner of unicast the emergent broadcast adapter in the management mathematical logic channel of data network and target area.The emergency broadcase system separates business datum and management data to improve communication efficiency.
Description
Technical field
The utility model relates to broadcasting system technologies fields, and in particular to a kind of emergency broadcase system.
Background technique
China's natural calamity type is more, frequency is high, loss is serious, makes the transition along with socio-economic development is currently in
Phase, various contradictions highlight, and social security events, Accidents Disasters and public health event occur in rising trend.It happens suddenly when facing
When event, government and relevant departments can provide emergency information to the public by broadcast mode, this emergency means emergent broadcast,
National emergent broadcast system is the emergency information service system around emergent broadcast building, is that national Emergency System and the state are public
The important component of service system.In current emergency broadcase system, emergent broadcast adapter has as Intermediate connection device
Adaptation forwarding capability between upper and lower link link, the signal for emergency broadcase system receive Broadcast Control.
Existing emergency broadcase system, business datum and management data are sent to by same server and same channel
Emergent broadcast adapter, since management data are communicated generally by the way of unicast with emergent broadcast adapter,
Business datum is caused generally can only also to be communicated by the way of unicast with emergent broadcast adapter.And working as has the condition of a disaster
When, server is communicated by way of unicast with emergent broadcast adapter, connects corresponding area one by one according to disaster-stricken region
The emergent broadcast adapter in domain, the broadcasted content for sending control instruction and needing to play.If devastated is relatively wider, it is logical to need
The emergent broadcast adapter known is relatively more, due to being that the mode of unicast one by one is taken to carry out data transmission, has sent and all has related to calamity
The emergent broadcast adapter in area needs to spend the long time, if the case where having run into communication failure again, communication is true repeatedly
Recognize, the time can be longer, and time each second for disaster area is all of great rarity, therefore is highly desirable to improve the effect of communication
Rate.
Utility model content
Technical problem to be solved by the utility model is: provide it is a kind of by business datum and management data separate with improve lead to
Believe the emergency broadcase system of efficiency.
The technical solution of the utility model is: a kind of emergency broadcase system, it is characterised in that: believes including emergent broadcast
Cease server, device management server, data network and several emergent broadcast adapters of target area, the data network
Business datum logical channel and management mathematical logic channel are set in network, and the emergent broadcast information server passes through data network
Business datum logical channel and target area emergent broadcast adapter by multicast or by force push away multicast in a manner of communicate to connect, institute
Device management server is stated by the management mathematical logic channel of data network and the emergent broadcast adapter of target area with list
The mode broadcast communicates to connect.
The communication mode of above-mentioned multicast is that all emergent broadcast adapters of target area are arranged at the same multicast
In group, all emergent broadcast adapters enable multicast protocol, represent when emergent broadcast information server is sent to the multicast group
When the multicast packet of business datum, all emergent broadcast adapters in the multicast group can receive data simultaneously；It pushes away by force
Multicast, which refers to, is arranged at all emergent broadcast adapters of target area in the same VLAN, due to broadcast system transmission
It is multicast packet, so will first represent the group of business datum by emergent broadcast information server using existing tunneling technique
Unicast packets are encapsulated as the format of broadcast data packet, then pass through the business datum logical channel of data network in a broadcast manner
The multicast packet for being encapsulated as broadcast packet format is sent to the VLAN, all emergent broadcast adapters in the VLAN also can
Data are received simultaneously, and the business datum of the broadcast packet format received is unsealed as the business of multicast packet format
Data.
After adopting the above structure, the utility model has the advantage that
The utility model emergency broadcase system is respectively provided with processing business data for business datum and management data
The device management server of emergent broadcast information server and processing management data, and two differences are used in data transmission
Logical channel, business datum logical channel dedicated for transmit business datum, manage mathematical logic channel dedicated for transmission
Data are managed, therefore business datum and management data can be separated, so as to make the not managed number of communication mode of business datum
According to communication mode limitation, therefore manage data and still use the communication mode of unicast, and business datum can using multicast or
The communication mode of multicast is pushed away by force, and multicast or the strong communication mode for pushing away multicast can make the institute in same multicast group or same VLAN
There is emergent broadcast adapter while receiving broadcast data, substantially increases the communication efficiency of emergency broadcase system.
Preferably, the data network is PON data network.PON data network without power supply, without electronic component,
It is low cost, easy to maintain.
Preferably, the data network is CMTS data network.CMTS data network low cost, technology maturation.
Preferably, the data network is the data network being made of switch/router.By switch/router
Data network low cost, the technology maturation of composition.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model emergency broadcase system；
In figure: 1- emergent broadcast information server, 2- device management server, 3- data network, 4- emergent broadcast adaptation
Device, 5- business datum logical channel, 6- manage mathematical logic channel.
Specific embodiment
With reference to the accompanying drawing, and in conjunction with the embodiments the utility model is described further.
Embodiment:
A kind of emergency broadcase system, including emergent broadcast information server 1, device management server 2, data network 3, with
And several emergent broadcast adapters 4 of target area, setting business datum logical channel 5 and management number in the data network 3
According to logical channel 6, business datum logical channel 5 and target area of the emergent broadcast information server 1 by data network 3
Emergent broadcast adapter 4 by multicast or by force push away multicast in a manner of communicate to connect, the device management server 2 passes through data network
The management mathematical logic channel 6 of network 3 and the emergent broadcast adapter 4 of target area are communicated to connect in a manner of unicast；The number
It is PON data network 3 or CMTS data network 3 or the data network 3 being made of switch/router according to network 3.
The utility model emergency broadcase system is respectively provided with processing business data for business datum and management data
Emergent broadcast information server 1 and processing management data device management server 2, and in data transmission using two not
With logical channel, business datum logical channel 5 dedicated for transmit business datum, manage mathematical logic channel 6 dedicated for
Transmission management data, therefore business datum and management data can be separated, so as to keep the communication mode of business datum not managed
The limitation of the communication mode of data is managed, therefore manages the communication mode that data still use unicast, and business datum can use group
The communication mode of multicast is broadcast or pushes away by force, and multicast or the strong communication mode for pushing away multicast can greatly improve the logical of emergency broadcase system
Believe efficiency.
The process that the utility model emergency broadcase system sends data to emergent broadcast adapter in a manner of multicast is as follows:
(1) business datum logical channel 5 and management mathematical logic channel 6 are established in data network 3, by target area
The same multicast group is added in all emergent broadcast adapters 4, and makes all intermediary network devices in 3 Transmission system of data network
Enable multicast protocol；
(2) business datum is passed through the business datum logical channel 5 of data network 3 with group by emergent broadcast information server 1
The mode broadcast is sent to all emergent broadcast adapters 4 in the multicast group, and device management server 2 then leads to management data
The management mathematical logic channel 6 for crossing data network 3 is sent to each emergent broadcast adapter 4 of target area in a manner of unicast.
(3) multicast packet for the representative business datum that each emergent broadcast adapter 4 identification in the multicast group receives
Afterwards, the emergency defined by " the provisional technical requirements of emergency broadcase system at county level " that national news publish the establishment of General Bureau of Radio, Film and Television's science and technology department
Code table is broadcasted, the emergent broadcast entity coding in multicast packet, the reading area code from emergent broadcast entity coding are read；Respectively
Emergent broadcast adapter 4 is carried out according to itself pre-stored region code with the region code for identifying from multicast packet acquisition pair
According to if unanimously, just receiving the multicast packet, if it is inconsistent, abandoning the multicast packet.
The utility model emergency broadcase system sends data to the process of emergent broadcast adapter in a manner of pushing away multicast by force
It is as follows:
(1) business datum logical channel 5 and management mathematical logic channel 6 are established in data network 3, and target area is set
All emergent broadcast adapters 4 be the same VLAN, and by 3 Transmission system of data network all intermediary network devices close
Close multicast protocol；
(2) business datum is passed through the business datum logical channel 5 of data network 3 with strong by emergent broadcast information server 1
The mode for pushing away multicast is sent to all emergent broadcast adapters 4 in the VLAN, and device management server 2 will then manage data
Each emergent broadcast adapter of target area is sent in a manner of unicast the management mathematical logic channel 6 of data network 3
4, wherein the mode for pushing away multicast by force is will first to represent the group of business datum by emergent broadcast information server 1 using tunneling technique
Unicast packets are encapsulated as the format of broadcast data packet, then will be encapsulated as the multicast number of broadcast packet format in a broadcast manner
All emergent broadcast adapters 4 in the VLAN are sent to by the business datum logical channel (5) of data network 3 according to packet, respectively
The business number that emergent broadcast adapter 4 unseals the business datum of the broadcast packet format received as multicast packet format
According to；
(3) after the multicast packet for the representative business datum that each emergent broadcast adapter 4 identification in the VLAN receives,
The emergency defined by " the provisional technical requirements of emergency broadcase system at county level " that national news publish the establishment of General Bureau of Radio, Film and Television's science and technology department is wide
Code table is broadcast, the emergent broadcast entity coding in multicast packet, the reading area code from emergent broadcast entity coding are read；Respectively answer
Anxious broadcast adapter 4 is carried out according to itself pre-stored region code with the region code for identifying from multicast packet acquisition pair
According to if unanimously, just receiving the multicast packet, if it is inconsistent, abandoning the multicast packet.
Claims (4)
1. a kind of emergency broadcase system, it is characterised in that: including emergent broadcast information server (1), device management server
(2), several emergent broadcast adapters (4) of data network (3) and target area, setting business in the data network (3)
Mathematical logic channel (5) and management mathematical logic channel (6), the emergent broadcast information server (1) pass through data network (3)
Business datum logical channel (5) and the emergent broadcast adapter (4) of target area push away multicast by multicast or by force in a manner of communicate
Connection, the device management server (2) pass through the management mathematical logic channel (6) of data network (3) and answering for target area
Anxious broadcast adapter (4) is communicated to connect in a manner of unicast.
2. a kind of emergency broadcase system according to claim 1, it is characterised in that: the data network (3) is PON data
Network (3).
3. a kind of emergency broadcase system according to claim 1, it is characterised in that: the data network (3) is CMTS number
According to network (3).
4. a kind of emergency broadcase system according to claim 1, it is characterised in that: the data network (3) is by exchanging
Machine/router composition data network (3).
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| CN201920836797.7U CN209562566U (en) | 2019-06-05 | 2019-06-05 | A kind of emergency broadcase system |
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| CN201920836797.7U CN209562566U (en) | 2019-06-05 | 2019-06-05 | A kind of emergency broadcase system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086559A (en) * | 2019-06-05 | 2019-08-02 | 广西广播电视信息网络股份有限公司 | A kind of emergency broadcase system and the method for sending data to emergent broadcast adapter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086559A (en) * | 2019-06-05 | 2019-08-02 | 广西广播电视信息网络股份有限公司 | A kind of emergency broadcase system and the method for sending data to emergent broadcast adapter |
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